9813.pdf (361.78 kB)
Download fileSupplemental material: 40Ar/39Ar Age of the Manson Impact Structure, Iowa, and Correlative Impact Ejecta in the Crow Creek Member of the Pierre Shale (Upper Cretaceous), South Dakota and Nebraska
journal contribution
posted on 1998-01-01, 00:00 authored by Glenn A. IzettGSA Data Repository Item 9813, GSA Bulletin, Vol. 110, p. 361. File size: 7 p., about 362 K bytes.